#include <cmath>
#include <cstdio>
+#include <fstream>
#include <string>
#include <vector>
-int main(int argc, char ** argv) {
- if (argc < 3 || argv[1][0] == '-') {
- printf("usage: %s MODEL_PATH PROMPT [--ids]\n" , argv[0]);
+#if defined(_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <shellapi.h> // For CommandLineToArgvW
+#endif
+
+static void print_usage_information(const char * argv0, FILE * stream) {
+ fprintf(stream, "usage: %s [options]\n\n", argv0);
+ fprintf(stream, "The tokenize program tokenizes a prompt using a given model,\n");
+ fprintf(stream, "and prints the resulting tokens to standard output.\n\n");
+ fprintf(stream, "It needs a model file, a prompt, and optionally other flags\n");
+ fprintf(stream, "to control the behavior of the tokenizer.\n\n");
+ fprintf(stream, " The possible options are:\n");
+ fprintf(stream, "\n");
+ fprintf(stream, " -h, --help print this help and exit\n");
+ fprintf(stream, " -m MODEL_PATH, --model MODEL_PATH path to model.\n");
+ fprintf(stream, " --ids if given, only print numerical token IDs, and not token strings.\n");
+ fprintf(stream, " The output format looks like [1, 2, 3], i.e. parseable by Python.\n");
+ fprintf(stream, " -f PROMPT_FNAME, --file PROMPT_FNAME read prompt from a file.\n");
+ fprintf(stream, " -p PROMPT, --prompt PROMPT read prompt from the argument.\n");
+ fprintf(stream, " --stdin read prompt from standard input.\n");
+ fprintf(stream, " --no-bos do not ever add a BOS token to the prompt, even if normally the model uses a BOS token.\n");
+ fprintf(stream, " --log-disable disable logs. Makes stderr quiet when loading the model.\n");
+}
+
+static void llama_log_callback_null(ggml_log_level level, const char * text, void * user_data) {
+ (void) level;
+ (void) text;
+ (void) user_data;
+}
+
+static std::string read_prompt_from_file(const char * filepath, bool & success) {
+ success = false;
+
+ std::ifstream in(filepath, std::ios::binary);
+ if (!in) {
+ fprintf(stderr, "%s: could not open file '%s' for reading: %s\n", __func__, filepath, strerror(errno));
+ return std::string();
+ }
+ // do not assume the file is seekable (e.g. /dev/stdin)
+ std::stringstream buffer;
+ buffer << in.rdbuf();
+ if (in.fail()) {
+ fprintf(stderr, "%s: could not read the entire file '%s': %s\n", __func__, filepath, strerror(errno));
+ return std::string();
+ }
+
+ success = true;
+ return buffer.str();
+}
+
+//
+// Function: ingest_args(...) -> vector<string>
+//
+// Takes argc and argv arguments, and converts them to a vector of UTF-8 encoded
+// strings, as an STL vector<string>.
+//
+// In particular, it handles character encoding shenanigans on Windows.
+//
+// Note: raw_argc and raw_argv are not actually read at all on Windows.
+// On Windows we call GetCommandLineW to get the arguments in wchar_t
+// format, ignoring the regular argc/argv arguments to main().
+//
+// TODO: potential opportunity to roll common stuff into common/console.cpp
+// in relation to Windows wchar_t shenanigans.
+static std::vector<std::string> ingest_args(int raw_argc, char ** raw_argv) {
+ std::vector<std::string> argv;
+
+ // Handle Windows, if given non-ASCII arguments.
+ // We convert wchar_t arguments into UTF-8 char* on this platform.
+ // Lets you invoke 'tokenize' on Windows cmd.exe with non-ASCII characters
+ // without throwing tantrums.
+#if defined(_WIN32)
+ int argc;
+ const LPWSTR cmdline_wargv = GetCommandLineW();
+ LPWSTR * wargv = CommandLineToArgvW(cmdline_wargv, &argc);
+
+ // silence unused arg warnings
+ (void) raw_argc;
+ (void) raw_argv;
+
+ for (int i = 0; i < argc; ++i) {
+ int length_needed = WideCharToMultiByte(CP_UTF8, 0, wargv[i], wcslen(wargv[i]), 0, 0, NULL, NULL);
+ char * output_buf = (char *) calloc(length_needed+1, sizeof(char));
+ GGML_ASSERT(output_buf);
+
+ WideCharToMultiByte(CP_UTF8, 0, wargv[i], wcslen(wargv[i]), output_buf, length_needed, NULL, NULL);
+ output_buf[length_needed] = '\0';
+
+ argv.push_back(output_buf);
+ free(output_buf);
+ }
+
+ LocalFree((HLOCAL) wargv);
+#else
+ int argc = raw_argc;
+ for (int i = 0; i < argc; ++i) {
+ argv.push_back(raw_argv[i]);
+ }
+#endif
+
+ GGML_ASSERT((unsigned int) argc == argv.size());
+
+ return argv;
+}
+
+//
+// Function: write_utf8_cstr_to_stdout(const char *) -> <writes to stdout>
+//
+// writes a string to standard output; taking into account that on Windows
+// to display correctly you have to use special handling. Works even if the
+// user has not set a unicode code page on a Windows cmd.exe.
+//
+// In case of invalid UTF-8, invalid_utf8 is set to true on Windows, and something
+// a human-readable is written instead.
+//
+// On non-Windows systems, simply printfs() the string.
+static void write_utf8_cstr_to_stdout(const char * str, bool & invalid_utf8) {
+ invalid_utf8 = false;
+
+#if defined(_WIN32)
+ // Are we in a console?
+ HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+ DWORD dwMode = 0;
+
+ // According to Microsoft docs:
+ // "WriteConsole fails if it is used with a standard handle that is redirected to a file."
+ // Also according to the docs, you can use GetConsoleMode to check for that.
+ if (hConsole == INVALID_HANDLE_VALUE || !GetConsoleMode(hConsole, &dwMode)) {
+ printf("%s", str);
+ return;
+ }
+
+ // MultiByteToWideChar reports an error if str is empty, don't report
+ // them as invalid_utf8.
+ if (*str == 0) {
+ return;
+ }
+ int length_needed = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str, strlen(str), NULL, 0);
+ if (length_needed == 0) {
+ DWORD err = GetLastError();
+ if (err == ERROR_NO_UNICODE_TRANSLATION) {
+ invalid_utf8 = true;
+ int len = strlen(str);
+ printf("<");
+ for (int i = 0; i < len; ++i) {
+ if (i > 0) {
+ printf(" ");
+ }
+ printf("%02x", (uint8_t) str[i]);
+ }
+ printf(">");
+ return;
+ }
+ GGML_ASSERT(false && "MultiByteToWideChar() failed in an unexpected way.");
+ }
+
+ LPWSTR wstr = (LPWSTR) calloc(length_needed+1, sizeof(*wstr));
+ GGML_ASSERT(wstr);
+
+ MultiByteToWideChar(CP_UTF8, 0, str, strlen(str), wstr, length_needed);
+ WriteConsoleW(hConsole, wstr, length_needed, NULL, NULL);
+
+ free(wstr);
+#else
+ // TODO: reporting invalid_utf8 would be useful on non-Windows too.
+ // printf will silently just write bad unicode.
+ printf("%s", str);
+#endif
+}
+
+int main(int raw_argc, char ** raw_argv) {
+ const std::vector<std::string> argv = ingest_args(raw_argc, raw_argv);
+ const int argc = argv.size();
+
+ if (argc <= 1) {
+ print_usage_information(argv[0].c_str(), stderr);
+ return 1;
+ }
+
+ //////
+ // Read out all the command line arguments.
+ //////
+
+ // variables where to put any arguments we see.
+ bool printing_ids = false;
+ bool no_bos = false;
+ bool disable_logging = false;
+ const char * model_path = NULL;
+ const char * prompt_path = NULL;
+ const char * prompt_arg = NULL;
+
+ // track which arguments were explicitly given
+ // used for sanity checking down the line
+ bool model_path_set = false;
+ bool prompt_path_set = false;
+ bool prompt_set = false;
+ bool stdin_set = false;
+
+ int iarg = 1;
+ for (; iarg < argc; ++iarg) {
+ std::string arg{argv[iarg]};
+ if (arg == "-h" || arg == "--help") {
+ print_usage_information(argv[0].c_str(), stdout);
+ return 0;
+ }
+ else if (arg == "--ids") {
+ printing_ids = true;
+ }
+ else if (arg == "-m" || arg == "--model") {
+ if (model_path_set) {
+ fprintf(stderr, "Error: -m or --model specified multiple times.\n");
+ return 1;
+ }
+ model_path = argv[++iarg].c_str();
+ model_path_set = true;
+ }
+ else if (arg == "--no-bos") {
+ no_bos = true;
+ }
+ else if (arg == "-p" || arg == "--prompt") {
+ if (prompt_set) {
+ fprintf(stderr, "Error: -p or --prompt specified multiple times.\n");
+ return 1;
+ }
+ prompt_arg = argv[++iarg].c_str();
+ prompt_set = true;
+ }
+ else if (arg == "-f" || arg == "--file") {
+ if (prompt_path_set) {
+ fprintf(stderr, "Error: -f or --file specified multiple times.\n");
+ return 1;
+ }
+ prompt_path = argv[++iarg].c_str();
+ prompt_path_set = true;
+ }
+ else if (arg == "--stdin") {
+ stdin_set = true;
+ }
+ else if (arg == "--log-disable") {
+ disable_logging = true;
+ }
+ else {
+ fprintf(stderr, "Error: unknown option '%s'\n", argv[iarg].c_str());
+ return 1;
+ }
+ }
+
+ //////
+ // Sanity check the command line arguments.
+ //////
+
+ // Check that we have the required stuff set.
+ if (model_path_set && model_path == NULL) {
+ fprintf(stderr, "Error: --model requires an argument.\n");
+ return 1;
+ }
+ if (!model_path_set) {
+ fprintf(stderr, "Error: must specify --model.\n");
+ return 1;
+ }
+ if (prompt_path_set && prompt_path == NULL) {
+ fprintf(stderr, "Error: --file requires an argument.\n");
+ return 1;
+ }
+ if (prompt_set && prompt_arg == NULL) {
+ fprintf(stderr, "Error: --prompt requires an argument.\n");
+ return 1;
+ }
+ const int prompts_set = !!(prompt_path_set) + !!(prompt_set) + !!(stdin_set);
+ if (prompts_set > 1) {
+ fprintf(stderr, "Error: --stdin, --file and --prompt are mutually exclusive.\n");
+ return 1;
+ }
+ // Must have some prompt.
+ if (prompts_set == 0) {
+ fprintf(stderr, "Error: must specify one of: --stdin, --file or --prompt.\n");
return 1;
}
- const char * model_path = argv[1];
- const char * prompt = argv[2];
+ GGML_ASSERT(model_path);
+ GGML_ASSERT(prompt_path || prompt_arg || stdin_set);
- const bool printing_ids = argc > 3 && std::string(argv[3]) == "--ids";
+ //////
+ // Figure out where will the prompt come from.
+ //////
+
+ std::string prompt;
+ if (prompt_path_set) {
+ bool success = false;
+ prompt = read_prompt_from_file(prompt_path, success);
+ if (!success) {
+ return 1;
+ }
+ } else if (prompt_set) {
+ prompt = prompt_arg;
+ } else {
+ GGML_ASSERT(stdin_set);
+ // we read stdin *after* loading model (early exit if model cannot
+ // be loaded, which can be a nicer user experience)
+ }
+
+ //////
+ // Start actually doing the tokenizing stuff.
+ //////
+
+#ifdef LOG_DISABLE_LOGS
+ disable_logging = true;
+#endif
+
+ if (disable_logging) {
+ llama_log_set(llama_log_callback_null, NULL);
+ }
llama_backend_init();
llama_model_params model_params = llama_model_default_params();
model_params.vocab_only = true;
llama_model * model = llama_load_model_from_file(model_path, model_params);
+ if (!model) {
+ fprintf(stderr, "Error: could not load model from file '%s'.\n", model_path);
+ return 1;
+ }
llama_context_params ctx_params = llama_context_default_params();
llama_context * ctx = llama_new_context_with_model(model, ctx_params);
+ if (!ctx) {
+ fprintf(stderr, "Error: could not create context.\n");
+ return 1;
+ }
+
+ // read entire prompt from stdin?
+ if (stdin_set) {
+ GGML_ASSERT(!prompt_path_set && !prompt_set);
+
+ std::stringstream stdin_buffer;
+ stdin_buffer << std::cin.rdbuf();
+ if (std::cin.fail()) {
+ fprintf(stderr, "Error: could not read the entire standard input.\n");
+ return 1;
+ }
+
+ prompt = stdin_buffer.str();
+ }
+
+ const bool model_wants_add_bos = llama_should_add_bos_token(model);
+ const bool add_bos = model_wants_add_bos && !no_bos;
std::vector<llama_token> tokens;
+ tokens = ::llama_tokenize(model, prompt, add_bos, true);
- tokens = ::llama_tokenize(model, prompt, true, true);
+ if (printing_ids) {
+ printf("[");
+ }
for (int i = 0; i < (int) tokens.size(); i++) {
if (printing_ids) {
- printf("%d\n", tokens[i]);
+ if (i > 0) {
+ printf(", ");
+ }
+ printf("%d", tokens[i]);
} else {
- printf("%6d -> '%s'\n", tokens[i], llama_token_to_piece(ctx, tokens[i]).c_str());
+ bool invalid_utf8 = false;
+ printf("%6d -> '", tokens[i]);
+ write_utf8_cstr_to_stdout(llama_token_to_piece(ctx, tokens[i]).c_str(), invalid_utf8);
+ if (invalid_utf8) {
+ printf("' (utf-8 decode failure)\n");
+ } else {
+ printf("'\n");
+ }
}
}
+ if (printing_ids) {
+ printf("]\n");
+ }
+
+ // silence valgrind
+ llama_free(ctx);
+ llama_free_model(model);
+
return 0;
}